When using the changing-criterion single-case research design, what is a good rule of thumb for determining how much the criterion should change at each phase?
a. in the new phase, the participant should be required to increase performance by 50 relative to the previous phase.
b. the criterion change should be relatively large, to provide motivation.
c. the criterion change should be relatively small, so as not to discourage the participant.
d. the criterion change should be large enough to detect differences in behavior from the previous phase, but not so large as to be unattainable.
Which of the following is not a way to remain up-to-date on developments in the field?
a. conducting research
b. being involved with psychological organizations
c. staying in contact with your college professors
d. reading literature in the area
Which of the following variables is an example of the nominal level of measurement?
a) rank in graduating class
b) gender
c) age of students
d) amount of money earned
In which sampling technique are units of individuals selected rather than the individuals themselves?
a) simple random sampling
b) systematic sampling
c) stratified sampling
d) cluster sampling
The defining characteristic of a factorial experimental design is
a. the manipulation of one independent variable.
b. the manipulation of more than one independent variable.
c. the measurement of more than one dependent variable.
d. inclusion of more than two cells.
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